Merge commit 'origin/gallium-master-merge'

This is the big merge of the gallium-0.2 branch into master.
gallium-master-merge was just the staging area for it.
Both gallium-0.2 and gallium-master-merge are considered closed now.

Conflicts:

	progs/demos/Makefile
	src/mesa/main/state.c
	src/mesa/main/texenvprogram.c

21 files changed, 1676 insertions, 0 deletions

diff --git a/src/gallium/winsys/drm/nouveau/Makefile b/src/gallium/winsys/drm/nouveau/Makefile
new file mode 100644
index 0000000000..b5735329ec
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/Makefile
@@ -0,0 +1,25 @@
+TOP = ../../../../..
+include $(TOP)/configs/current
+
+
+SUBDIRS = common dri
+
+
+default: subdirs
+
+
+subdirs:
+	@for dir in $(SUBDIRS) ; do \
+		if [ -d $$dir ] ; then \
+			(cd $$dir && $(MAKE)) || exit 1 ; \
+		fi \
+	done
+
+
+clean:
+	rm -f `find . -name \*.[oa]`
+	rm -f `find . -name depend`
+
+
+# Dummy install target
+install:
diff --git a/src/gallium/winsys/drm/nouveau/common/Makefile b/src/gallium/winsys/drm/nouveau/common/Makefile
new file mode 100644
index 0000000000..c6dd6dd7f9
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/Makefile
@@ -0,0 +1,22 @@
+TOP = ../../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = nouveaudrm
+
+C_SOURCES = \
+        nouveau_context.c \
+	nouveau_lock.c \
+	nouveau_screen.c \
+	nouveau_winsys.c \
+	nouveau_winsys_pipe.c \
+	nouveau_winsys_softpipe.c
+
+include ./Makefile.template
+
+DRIVER_DEFINES = $(shell pkg-config libdrm --cflags \
+                && pkg-config libdrm --atleast-version=2.3.1 \
+                && pkg-config libdrm_nouveau --exact-version=0.5 \
+                && pkg-config libdrm_nouveau --cflags \
+                && echo "-DDRM_VBLANK_FLIP=DRM_VBLANK_FLIP")
+symlinks:
+
diff --git a/src/gallium/winsys/drm/nouveau/common/Makefile.template b/src/gallium/winsys/drm/nouveau/common/Makefile.template
new file mode 100644
index 0000000000..f0d098bb1c
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/Makefile.template
@@ -0,0 +1,59 @@
+# -*-makefile-*-
+
+COMMON_SOURCES = 
+
+OBJECTS = $(C_SOURCES:.c=.o) \
+          $(CPP_SOURCES:.cpp=.o) \
+	  $(ASM_SOURCES:.S=.o) 
+
+
+### Include directories
+INCLUDES = \
+	-I. \
+	-I$(TOP)/src/gallium/include \
+	-I$(TOP)/src/gallium/auxiliary \
+	-I$(TOP)/src/gallium/drivers \
+	-I$(TOP)/include \
+        $(DRIVER_INCLUDES)
+
+
+##### RULES #####
+
+.c.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DRIVER_DEFINES) $< -o $@
+
+.cpp.o:
+	$(CXX) -c $(INCLUDES) $(CXXFLAGS) $(DRIVER_DEFINES) $< -o $@
+
+.S.o:
+	$(CC) -c $(INCLUDES) $(CFLAGS) $(DRIVER_DEFINES)  $< -o $@
+
+
+##### TARGETS #####
+
+default: depend symlinks lib$(LIBNAME).a
+
+
+lib$(LIBNAME).a: $(OBJECTS) Makefile Makefile.template
+	$(TOP)/bin/mklib -o $(LIBNAME) -static $(OBJECTS) $(DRIVER_LIBS)
+
+
+depend: $(C_SOURCES) $(CPP_SOURCES) $(ASM_SOURCES) $(SYMLINKS)
+	rm -f depend
+	touch depend
+	$(MKDEP) $(MKDEP_OPTIONS) $(DRIVER_DEFINES) $(INCLUDES) $(C_SOURCES) $(CPP_SOURCES) \
+		$(ASM_SOURCES) 2> /dev/null
+
+
+# Emacs tags
+tags:
+	etags `find . -name \*.[ch]` `find ../include`
+
+
+# Remove .o and backup files
+clean::
+	-rm -f *.o */*.o *~ *.so *~ server/*.o $(SYMLINKS)
+	-rm -f depend depend.bak
+
+
+include depend
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_context.c b/src/gallium/winsys/drm/nouveau/common/nouveau_context.c
new file mode 100644
index 0000000000..d6ae0827cd
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_context.c
@@ -0,0 +1,206 @@
+#include <pipe/p_defines.h>
+#include <pipe/p_context.h>
+#include <pipe/p_screen.h>
+#include <util/u_memory.h>
+#include "nouveau_context.h"
+#include "nouveau_dri.h"
+#include "nouveau_local.h"
+#include "nouveau_screen.h"
+#include "nouveau_winsys_pipe.h"
+
+static void
+nouveau_channel_context_destroy(struct nouveau_channel_context *nvc)
+{
+	nouveau_channel_free(&nvc->channel);
+
+	FREE(nvc);
+}
+
+static struct nouveau_channel_context *
+nouveau_channel_context_create(struct nouveau_device *dev)
+{
+	struct nouveau_channel_context *nvc;
+	int ret;
+
+	nvc = CALLOC_STRUCT(nouveau_channel_context);
+	if (!nvc)
+		return NULL;
+
+	if ((ret = nouveau_channel_alloc(dev, 0x8003d001, 0x8003d002,
+					 &nvc->channel))) {
+		NOUVEAU_ERR("Error creating GPU channel: %d\n", ret);
+		nouveau_channel_context_destroy(nvc);
+		return NULL;
+	}
+
+	nvc->next_handle = 0x77000000;
+	return nvc;
+}
+
+int
+nouveau_context_init(struct nouveau_screen *nv_screen,
+                     drm_context_t hHWContext, drmLock *sarea_lock,
+                     struct nouveau_context *nv_share,
+                     struct nouveau_context *nv)
+{
+	struct pipe_context *pipe = NULL;
+	struct nouveau_channel_context *nvc = NULL;
+	struct nouveau_device *dev = nv_screen->device;
+	int i;
+
+	switch (dev->chipset & 0xf0) {
+	case 0x00:
+		/* NV04 */
+	case 0x10:
+	case 0x20:
+		/* NV10 */
+	case 0x30:
+		/* NV30 */
+	case 0x40:
+	case 0x60:
+		/* NV40 */
+	case 0x50:
+	case 0x80:
+	case 0x90:
+		/* G80 */
+		break;
+	default:
+		NOUVEAU_ERR("Unsupported chipset: NV%02x\n", dev->chipset);
+		return 1;
+	}
+
+	nv->nv_screen  = nv_screen;
+
+	{
+		struct nouveau_device_priv *nvdev = nouveau_device(dev);
+
+		nvdev->ctx  = hHWContext;
+		nvdev->lock = sarea_lock;
+	}
+
+	/* Attempt to share a single channel between multiple contexts from
+	 * a single process.
+	 */
+	nvc = nv_screen->nvc;
+	if (!nvc && nv_share)
+		nvc = nv_share->nvc;
+
+	/*XXX: temporary - disable multi-context/single-channel on pre-NV4x */
+	switch (dev->chipset & 0xf0) {
+	case 0x40:
+	case 0x60:
+		/* NV40 class */
+	case 0x50:
+	case 0x80:
+	case 0x90:
+		/* G80 class */
+		break;
+	default:
+		nvc = NULL;
+		break;
+	}
+
+	if (!nvc) {
+		nvc = nouveau_channel_context_create(dev);
+		if (!nvc) {
+			NOUVEAU_ERR("Failed initialising GPU context\n");
+			return 1;
+		}
+		nv_screen->nvc = nvc;
+	}
+
+	nvc->refcount++;
+	nv->nvc = nvc;
+
+	/* Find a free slot for a pipe context, allocate a new one if needed */
+	nv->pctx_id = -1;
+	for (i = 0; i < nvc->nr_pctx; i++) {
+		if (nvc->pctx[i] == NULL) {
+			nv->pctx_id = i;
+			break;
+		}
+	}
+
+	if (nv->pctx_id < 0) {
+		nv->pctx_id = nvc->nr_pctx++;
+		nvc->pctx =
+			realloc(nvc->pctx,
+				sizeof(struct pipe_context *) * nvc->nr_pctx);
+	}
+
+	/* Create pipe */
+	if (!getenv("NOUVEAU_FORCE_SOFTPIPE")) {
+		struct pipe_screen *pscreen;
+
+		pipe = nouveau_pipe_create(nv);
+		if (!pipe)
+			NOUVEAU_ERR("Couldn't create hw pipe\n");
+		pscreen = nvc->pscreen;
+
+		nv->cap.hw_vertex_buffer =
+			pscreen->get_param(pscreen, NOUVEAU_CAP_HW_VTXBUF);
+		nv->cap.hw_index_buffer =
+			pscreen->get_param(pscreen, NOUVEAU_CAP_HW_IDXBUF);
+	}
+
+	if (!pipe) {
+		NOUVEAU_MSG("Using softpipe\n");
+		pipe = nouveau_create_softpipe(nv);
+		if (!pipe) {
+			NOUVEAU_ERR("Error creating pipe, bailing\n");
+			return 1;
+		}
+	}
+
+	{
+		struct pipe_texture *fb_tex;
+		struct pipe_surface *fb_surf;
+		struct nouveau_pipe_buffer *fb_buf;
+		enum pipe_format format;
+
+		fb_buf = calloc(1, sizeof(struct nouveau_pipe_buffer));
+		fb_buf->base.refcount = 1;
+		fb_buf->base.usage = PIPE_BUFFER_USAGE_PIXEL;
+
+		nouveau_bo_fake(dev, nv_screen->front_offset, NOUVEAU_BO_VRAM,
+				nv_screen->front_pitch*nv_screen->front_height,
+				NULL, &fb_buf->bo);
+
+		if (nv_screen->front_cpp == 4)
+			format = PIPE_FORMAT_A8R8G8B8_UNORM;
+		else
+			format = PIPE_FORMAT_R5G6B5_UNORM;
+
+		fb_surf = nouveau_surface_buffer_ref(nv, &fb_buf->base, format,
+						     nv_screen->front_pitch /
+						     nv_screen->front_cpp,
+						     nv_screen->front_height,
+						     nv_screen->front_pitch,
+						     &fb_tex);
+
+		nv->frontbuffer = fb_surf;
+		nv->frontbuffer_texture = fb_tex;
+	}
+
+	pipe->priv = nv;
+	return 0;
+}
+
+void
+nouveau_context_cleanup(struct nouveau_context *nv)
+{
+	struct nouveau_channel_context *nvc = nv->nvc;
+
+	assert(nv);
+
+	if (nv->pctx_id >= 0) {
+		nvc->pctx[nv->pctx_id] = NULL;
+		if (--nvc->refcount <= 0) {
+			nouveau_channel_context_destroy(nvc);
+			nv->nv_screen->nvc = NULL;
+		}
+	}
+	
+	/* XXX: Who cleans up the pipe? */
+}
+
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_context.h b/src/gallium/winsys/drm/nouveau/common/nouveau_context.h
new file mode 100644
index 0000000000..02d2745680
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_context.h
@@ -0,0 +1,59 @@
+#ifndef __NOUVEAU_CONTEXT_H__
+#define __NOUVEAU_CONTEXT_H__
+
+#include "nouveau/nouveau_winsys.h"
+#include "nouveau_drmif.h"
+#include "nouveau_device.h"
+#include "nouveau_channel.h"
+#include "nouveau_pushbuf.h"
+#include "nouveau_bo.h"
+#include "nouveau_grobj.h"
+#include "nouveau_notifier.h"
+#include "nouveau_class.h"
+#include "nouveau_local.h"
+
+struct nouveau_channel_context {
+	struct pipe_screen *pscreen;
+	int refcount;
+
+	unsigned cur_pctx;
+	unsigned nr_pctx;
+	struct pipe_context **pctx;
+
+	struct nouveau_channel  *channel;
+	unsigned next_handle;
+};
+
+struct nouveau_context {
+	int locked;
+	struct nouveau_screen *nv_screen;
+	struct pipe_surface *frontbuffer;
+	struct pipe_texture *frontbuffer_texture;
+
+	struct {
+		int hw_vertex_buffer;
+		int hw_index_buffer;
+	} cap;
+
+	/* Hardware context */
+	struct nouveau_channel_context *nvc;
+	int pctx_id;
+};
+
+extern int nouveau_context_init(struct nouveau_screen *nv_screen,
+                                drm_context_t hHWContext, drmLock *sarea_lock,
+                                struct nouveau_context *nv_share,
+                                struct nouveau_context *nv);
+extern void nouveau_context_cleanup(struct nouveau_context *nv);
+
+extern void LOCK_HARDWARE(struct nouveau_context *);
+extern void UNLOCK_HARDWARE(struct nouveau_context *);
+
+extern uint32_t *nouveau_pipe_dma_beginp(struct nouveau_grobj *, int, int);
+extern void nouveau_pipe_dma_kickoff(struct nouveau_channel *);
+
+/* Must be provided by clients of common code */
+extern void
+nouveau_contended_lock(struct nouveau_context *nv);
+
+#endif
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_dri.h b/src/gallium/winsys/drm/nouveau/common/nouveau_dri.h
new file mode 100644
index 0000000000..1207c2d609
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_dri.h
@@ -0,0 +1,28 @@
+#ifndef _NOUVEAU_DRI_
+#define _NOUVEAU_DRI_
+
+#include "xf86drm.h"
+#include "drm.h"
+#include "nouveau_drm.h"
+
+struct nouveau_dri {
+	uint32_t device_id;	/**< \brief PCI device ID */
+	uint32_t width;		/**< \brief width in pixels of display */
+	uint32_t height;	/**< \brief height in scanlines of display */
+	uint32_t depth;		/**< \brief depth of display (8, 15, 16, 24) */
+	uint32_t bpp;		/**< \brief bit depth of display (8, 16, 24, 32) */
+
+	uint32_t bus_type;	/**< \brief ths bus type */
+	uint32_t bus_mode;	/**< \brief bus mode (used for AGP, maybe also for PCI-E ?) */
+
+	uint32_t front_offset;	/**< \brief front buffer offset */
+	uint32_t front_pitch;	/**< \brief front buffer pitch */
+	uint32_t back_offset;	/**< \brief private back buffer offset */
+	uint32_t back_pitch;	/**< \brief private back buffer pitch */
+	uint32_t depth_offset;	/**< \brief private depth buffer offset */
+	uint32_t depth_pitch;	/**< \brief private depth buffer pitch */
+
+};
+
+#endif
+
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_local.h b/src/gallium/winsys/drm/nouveau/common/nouveau_local.h
new file mode 100644
index 0000000000..11175bce7a
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_local.h
@@ -0,0 +1,19 @@
+#ifndef __NOUVEAU_LOCAL_H__
+#define __NOUVEAU_LOCAL_H__
+
+#include "pipe/p_compiler.h"
+#include "nouveau_winsys_pipe.h"
+#include <stdio.h>
+
+/* Debug output */
+#define NOUVEAU_MSG(fmt, args...) do {                                         \
+	fprintf(stdout, "nouveau: "fmt, ##args);                               \
+	fflush(stdout);                                                        \
+} while(0)
+
+#define NOUVEAU_ERR(fmt, args...) do {                                         \
+	fprintf(stderr, "%s:%d -  "fmt, __func__, __LINE__, ##args);           \
+	fflush(stderr);                                                        \
+} while(0)
+
+#endif
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_lock.c b/src/gallium/winsys/drm/nouveau/common/nouveau_lock.c
new file mode 100644
index 0000000000..e8cf051ed9
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_lock.c
@@ -0,0 +1,72 @@
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * 
+ **************************************************************************/
+
+#include <pipe/p_thread.h>
+#include "nouveau_context.h"
+#include "nouveau_screen.h"
+
+pipe_static_mutex(lockMutex);
+
+/* Lock the hardware and validate our state.
+ */
+void
+LOCK_HARDWARE(struct nouveau_context *nv)
+{
+	struct nouveau_screen *nv_screen = nv->nv_screen;
+	struct nouveau_device *dev = nv_screen->device;
+	struct nouveau_device_priv *nvdev = nouveau_device(dev);
+	char __ret=0;
+
+	assert(!nv->locked);
+	pipe_mutex_lock(lockMutex);
+
+	DRM_CAS(nvdev->lock, nvdev->ctx,
+		(DRM_LOCK_HELD | nvdev->ctx), __ret);
+
+	if (__ret) {
+		drmGetLock(nvdev->fd, nvdev->ctx, 0);
+		nouveau_contended_lock(nv);
+	}
+	nv->locked = 1;
+}
+
+/* Unlock the hardware using the global current context 
+ */
+void
+UNLOCK_HARDWARE(struct nouveau_context *nv)
+{
+	struct nouveau_screen *nv_screen = nv->nv_screen;
+	struct nouveau_device *dev = nv_screen->device;
+	struct nouveau_device_priv *nvdev = nouveau_device(dev);
+
+	assert(nv->locked);
+	nv->locked = 0;
+
+	DRM_UNLOCK(nvdev->fd, nvdev->lock, nvdev->ctx);
+
+	pipe_mutex_unlock(lockMutex);
+} 
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_screen.c b/src/gallium/winsys/drm/nouveau/common/nouveau_screen.c
new file mode 100644
index 0000000000..422fbf0207
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_screen.c
@@ -0,0 +1,31 @@
+#include <util/u_memory.h>
+#include "nouveau_dri.h"
+#include "nouveau_local.h"
+#include "nouveau_screen.h"
+
+int
+nouveau_screen_init(struct nouveau_dri *nv_dri, int dev_fd,
+                    struct nouveau_screen *nv_screen)
+{
+	int ret;
+
+	ret = nouveau_device_open_existing(&nv_screen->device, 0,
+	                                   dev_fd, 0);
+	if (ret) {
+		NOUVEAU_ERR("Failed opening nouveau device: %d\n", ret);
+		return 1;
+	}
+
+	nv_screen->front_offset = nv_dri->front_offset;
+	nv_screen->front_pitch  = nv_dri->front_pitch * (nv_dri->bpp / 8);
+	nv_screen->front_cpp = nv_dri->bpp / 8;
+	nv_screen->front_height = nv_dri->height;
+
+	return 0;
+}
+
+void
+nouveau_screen_cleanup(struct nouveau_screen *nv_screen)
+{
+	nouveau_device_close(&nv_screen->device);
+}
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_screen.h b/src/gallium/winsys/drm/nouveau/common/nouveau_screen.h
new file mode 100644
index 0000000000..3e68e219d8
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_screen.h
@@ -0,0 +1,27 @@
+#ifndef __NOUVEAU_SCREEN_H__
+#define __NOUVEAU_SCREEN_H__
+
+#include <stdint.h>
+
+struct nouveau_device;
+struct nouveau_dri;
+
+struct nouveau_screen {
+	struct nouveau_device *device;
+
+	uint32_t front_offset;
+	uint32_t front_pitch;
+	uint32_t front_cpp;
+	uint32_t front_height;
+
+	void *nvc;
+};
+
+int
+nouveau_screen_init(struct nouveau_dri *nv_dri, int dev_fd,
+                    struct nouveau_screen *nv_screen);
+
+void
+nouveau_screen_cleanup(struct nouveau_screen *nv_screen);
+
+#endif
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c
new file mode 100644
index 0000000000..b6199f8e6d
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c
@@ -0,0 +1,141 @@
+#include "util/u_memory.h"
+
+#include "nouveau_context.h"
+#include "nouveau_screen.h"
+#include "nouveau_winsys_pipe.h"
+
+#include "nouveau/nouveau_winsys.h"
+
+static int
+nouveau_pipe_notifier_alloc(struct nouveau_winsys *nvws, int count,
+			    struct nouveau_notifier **notify)
+{
+	struct nouveau_context *nv = nvws->nv;
+
+	return nouveau_notifier_alloc(nv->nvc->channel, nv->nvc->next_handle++,
+				      count, notify);
+}
+
+static int
+nouveau_pipe_grobj_alloc(struct nouveau_winsys *nvws, int grclass,
+			 struct nouveau_grobj **grobj)
+{
+	struct nouveau_context *nv = nvws->nv;
+	struct nouveau_channel *chan = nv->nvc->channel;
+	int ret;
+
+	ret = nouveau_grobj_alloc(chan, nv->nvc->next_handle++,
+				  grclass, grobj);
+	if (ret)
+		return ret;
+
+	BEGIN_RING(chan, *grobj, 0x0000, 1);
+	OUT_RING  (chan, (*grobj)->handle);
+	(*grobj)->bound = NOUVEAU_GROBJ_BOUND_EXPLICIT;
+	return 0;
+}
+
+static int
+nouveau_pipe_push_reloc(struct nouveau_winsys *nvws, void *ptr,
+			struct pipe_buffer *buf, uint32_t data,
+			uint32_t flags, uint32_t vor, uint32_t tor)
+{
+	struct nouveau_bo *bo = nouveau_pipe_buffer(buf)->bo;
+
+	return nouveau_pushbuf_emit_reloc(nvws->channel, ptr, bo,
+					  data, flags, vor, tor);
+}
+
+static int
+nouveau_pipe_push_flush(struct nouveau_winsys *nvws, unsigned size,
+			struct pipe_fence_handle **fence)
+{
+	if (fence)
+		*fence = NULL;
+
+	return nouveau_pushbuf_flush(nvws->channel, size);
+}
+
+static struct nouveau_bo *
+nouveau_pipe_get_bo(struct pipe_buffer *pb)
+{
+	return nouveau_pipe_buffer(pb)->bo;
+}
+
+struct pipe_context *
+nouveau_pipe_create(struct nouveau_context *nv)
+{
+	struct nouveau_channel_context *nvc = nv->nvc;
+	struct nouveau_winsys *nvws = CALLOC_STRUCT(nouveau_winsys);
+	struct pipe_screen *(*hws_create)(struct pipe_winsys *,
+					  struct nouveau_winsys *);
+	struct pipe_context *(*hw_create)(struct pipe_screen *, unsigned);
+	struct pipe_winsys *ws;
+	unsigned chipset = nv->nv_screen->device->chipset;
+
+	if (!nvws)
+		return NULL;
+
+	switch (chipset & 0xf0) {
+	case 0x00:
+		hws_create = nv04_screen_create;
+		hw_create = nv04_create;
+		break;
+	case 0x10:
+		hws_create = nv10_screen_create;
+		hw_create = nv10_create;
+		break;
+	case 0x20:
+		hws_create = nv20_screen_create;
+		hw_create = nv20_create;
+		break;
+	case 0x30:
+		hws_create = nv30_screen_create;
+		hw_create = nv30_create;
+		break;
+	case 0x40:
+	case 0x60:
+		hws_create = nv40_screen_create;
+		hw_create = nv40_create;
+		break;
+	case 0x50:
+	case 0x80:
+	case 0x90:
+		hws_create = nv50_screen_create;
+		hw_create = nv50_create;
+		break;
+	default:
+		NOUVEAU_ERR("Unknown chipset NV%02x\n", chipset);
+		return NULL;
+	}
+
+	nvws->nv		= nv;
+	nvws->channel		= nv->nvc->channel;
+
+	nvws->res_init		= nouveau_resource_init;
+	nvws->res_alloc		= nouveau_resource_alloc;
+	nvws->res_free		= nouveau_resource_free;
+
+	nvws->push_reloc        = nouveau_pipe_push_reloc;
+	nvws->push_flush	= nouveau_pipe_push_flush;
+
+	nvws->grobj_alloc	= nouveau_pipe_grobj_alloc;
+	nvws->grobj_free	= nouveau_grobj_free;
+
+	nvws->notifier_alloc	= nouveau_pipe_notifier_alloc;
+	nvws->notifier_free	= nouveau_notifier_free;
+	nvws->notifier_reset	= nouveau_notifier_reset;
+	nvws->notifier_status	= nouveau_notifier_status;
+	nvws->notifier_retval	= nouveau_notifier_return_val;
+	nvws->notifier_wait	= nouveau_notifier_wait_status;
+
+	nvws->get_bo		= nouveau_pipe_get_bo;
+
+	ws = nouveau_create_pipe_winsys(nv);
+
+	if (!nvc->pscreen)
+		nvc->pscreen = hws_create(ws, nvws);
+	nvc->pctx[nv->pctx_id] = hw_create(nvc->pscreen, nv->pctx_id);
+	return nvc->pctx[nv->pctx_id];
+}
+
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c
new file mode 100644
index 0000000000..881df98556
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.c
@@ -0,0 +1,242 @@
+#include "pipe/internal/p_winsys_screen.h"
+#include <pipe/p_defines.h>
+#include <pipe/p_inlines.h>
+#include <util/u_memory.h>
+#include "nouveau_context.h"
+#include "nouveau_local.h"
+#include "nouveau_screen.h"
+#include "nouveau_winsys_pipe.h"
+
+static const char *
+nouveau_get_name(struct pipe_winsys *pws)
+{
+	return "Nouveau/DRI";
+}
+
+static uint32_t
+nouveau_flags_from_usage(struct nouveau_context *nv, unsigned usage)
+{
+	struct nouveau_device *dev = nv->nv_screen->device;
+	uint32_t flags = NOUVEAU_BO_LOCAL;
+
+	if (usage & PIPE_BUFFER_USAGE_PIXEL) {
+		if (usage & NOUVEAU_BUFFER_USAGE_TEXTURE)
+			flags |= NOUVEAU_BO_GART;
+		if (!(usage & PIPE_BUFFER_USAGE_CPU_READ_WRITE))
+			flags |= NOUVEAU_BO_VRAM;
+
+		switch (dev->chipset & 0xf0) {
+		case 0x50:
+		case 0x80:
+		case 0x90:
+			flags |= NOUVEAU_BO_TILED;
+			if (usage & NOUVEAU_BUFFER_USAGE_ZETA)
+				flags |= NOUVEAU_BO_ZTILE;
+			break;
+		default:
+			break;
+		}
+	}
+
+	if (usage & PIPE_BUFFER_USAGE_VERTEX) {
+		if (nv->cap.hw_vertex_buffer)
+			flags |= NOUVEAU_BO_GART;
+	}
+
+	if (usage & PIPE_BUFFER_USAGE_INDEX) {
+		if (nv->cap.hw_index_buffer)
+			flags |= NOUVEAU_BO_GART;
+	}
+
+	return flags;
+}
+
+static struct pipe_buffer *
+nouveau_pipe_bo_create(struct pipe_winsys *pws, unsigned alignment,
+		       unsigned usage, unsigned size)
+{
+	struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws;
+	struct nouveau_context *nv = nvpws->nv;
+	struct nouveau_device *dev = nv->nv_screen->device;
+	struct nouveau_pipe_buffer *nvbuf;
+	uint32_t flags;
+
+	nvbuf = CALLOC_STRUCT(nouveau_pipe_buffer);
+	if (!nvbuf)
+		return NULL;
+	nvbuf->base.refcount = 1;
+	nvbuf->base.alignment = alignment;
+	nvbuf->base.usage = usage;
+	nvbuf->base.size = size;
+
+	flags = nouveau_flags_from_usage(nv, usage);
+
+	if (nouveau_bo_new(dev, flags, alignment, size, &nvbuf->bo)) {
+		FREE(nvbuf);
+		return NULL;
+	}
+
+	return &nvbuf->base;
+}
+
+static struct pipe_buffer *
+nouveau_pipe_bo_user_create(struct pipe_winsys *pws, void *ptr, unsigned bytes)
+{
+	struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws;
+	struct nouveau_device *dev = nvpws->nv->nv_screen->device;
+	struct nouveau_pipe_buffer *nvbuf;
+
+	nvbuf = CALLOC_STRUCT(nouveau_pipe_buffer);
+	if (!nvbuf)
+		return NULL;
+	nvbuf->base.refcount = 1;
+	nvbuf->base.size = bytes;
+
+	if (nouveau_bo_user(dev, ptr, bytes, &nvbuf->bo)) {
+		FREE(nvbuf);
+		return NULL;
+	}
+
+	return &nvbuf->base;
+}
+
+static void
+nouveau_pipe_bo_del(struct pipe_winsys *ws, struct pipe_buffer *buf)
+{
+	struct nouveau_pipe_buffer *nvbuf = nouveau_pipe_buffer(buf);
+
+	nouveau_bo_ref(NULL, &nvbuf->bo);
+	FREE(nvbuf);
+}
+
+static void *
+nouveau_pipe_bo_map(struct pipe_winsys *pws, struct pipe_buffer *buf,
+		    unsigned flags)
+{
+	struct nouveau_pipe_buffer *nvbuf = nouveau_pipe_buffer(buf);
+	uint32_t map_flags = 0;
+
+	if (flags & PIPE_BUFFER_USAGE_CPU_READ)
+		map_flags |= NOUVEAU_BO_RD;
+	if (flags & PIPE_BUFFER_USAGE_CPU_WRITE)
+		map_flags |= NOUVEAU_BO_WR;
+
+#if 0
+	if (flags & PIPE_BUFFER_USAGE_DISCARD &&
+	    !(flags & PIPE_BUFFER_USAGE_CPU_READ) &&
+	    nouveau_bo_busy(nvbuf->bo, map_flags)) {
+		struct nouveau_pipe_winsys *nvpws = (struct nouveau_pipe_winsys *)pws;
+		struct nouveau_context *nv = nvpws->nv;
+		struct nouveau_device *dev = nv->nv_screen->device;
+		struct nouveau_bo *rename;
+		uint32_t flags = nouveau_flags_from_usage(nv, buf->usage);
+
+		if (!nouveau_bo_new(dev, flags, buf->alignment, buf->size, &rename)) {
+			nouveau_bo_ref(NULL, &nvbuf->bo);
+			nvbuf->bo = rename;
+		}
+	}
+#endif
+
+	if (nouveau_bo_map(nvbuf->bo, map_flags))
+		return NULL;
+	return nvbuf->bo->map;
+}
+
+static void
+nouveau_pipe_bo_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf)
+{
+	struct nouveau_pipe_buffer *nvbuf = nouveau_pipe_buffer(buf);
+
+	nouveau_bo_unmap(nvbuf->bo);
+}
+
+static void
+nouveau_pipe_fence_reference(struct pipe_winsys *ws,
+			     struct pipe_fence_handle **ptr,
+			     struct pipe_fence_handle *pfence)
+{
+	*ptr = pfence;
+}
+
+static int
+nouveau_pipe_fence_signalled(struct pipe_winsys *ws,
+			     struct pipe_fence_handle *pfence, unsigned flag)
+{
+	return 0;
+}
+
+static int
+nouveau_pipe_fence_finish(struct pipe_winsys *ws,
+			  struct pipe_fence_handle *pfence, unsigned flag)
+{
+	return 0;
+}
+
+struct pipe_surface *
+nouveau_surface_buffer_ref(struct nouveau_context *nv, struct pipe_buffer *pb,
+			   enum pipe_format format, int w, int h,
+			   unsigned pitch, struct pipe_texture **ppt)
+{
+	struct pipe_screen *pscreen = nv->nvc->pscreen;
+	struct pipe_texture tmpl, *pt;
+	struct pipe_surface *ps;
+
+	memset(&tmpl, 0, sizeof(tmpl));
+	tmpl.tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+			 NOUVEAU_TEXTURE_USAGE_LINEAR;
+	tmpl.target = PIPE_TEXTURE_2D;
+	tmpl.width[0] = w;
+	tmpl.height[0] = h;
+	tmpl.depth[0] = 1;
+	tmpl.format = format;
+	pf_get_block(tmpl.format, &tmpl.block);
+	tmpl.nblocksx[0] = pf_get_nblocksx(&tmpl.block, w);
+	tmpl.nblocksy[0] = pf_get_nblocksy(&tmpl.block, h);
+
+	pt = pscreen->texture_blanket(pscreen, &tmpl, &pitch, pb);
+	if (!pt)
+		return NULL;
+
+	ps = pscreen->get_tex_surface(pscreen, pt, 0, 0, 0,
+				      PIPE_BUFFER_USAGE_GPU_WRITE);
+
+	*ppt = pt;
+	return ps;
+}
+
+static void
+nouveau_destroy(struct pipe_winsys *pws)
+{
+	FREE(pws);
+}
+
+struct pipe_winsys *
+nouveau_create_pipe_winsys(struct nouveau_context *nv)
+{
+	struct nouveau_pipe_winsys *nvpws;
+	struct pipe_winsys *pws;
+
+	nvpws = CALLOC_STRUCT(nouveau_pipe_winsys);
+	if (!nvpws)
+		return NULL;
+	nvpws->nv = nv;
+	pws = &nvpws->pws;
+
+	pws->flush_frontbuffer = nouveau_flush_frontbuffer;
+
+	pws->buffer_create = nouveau_pipe_bo_create;
+	pws->buffer_destroy = nouveau_pipe_bo_del;
+	pws->user_buffer_create = nouveau_pipe_bo_user_create;
+	pws->buffer_map = nouveau_pipe_bo_map;
+	pws->buffer_unmap = nouveau_pipe_bo_unmap;
+
+	pws->fence_reference = nouveau_pipe_fence_reference;
+	pws->fence_signalled = nouveau_pipe_fence_signalled;
+	pws->fence_finish = nouveau_pipe_fence_finish;
+
+	pws->get_name = nouveau_get_name;
+	pws->destroy = nouveau_destroy;
+
+	return &nvpws->pws;
+}
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.h b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.h
new file mode 100644
index 0000000000..1eb8043478
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_pipe.h
@@ -0,0 +1,44 @@
+#ifndef NOUVEAU_PIPE_WINSYS_H
+#define NOUVEAU_PIPE_WINSYS_H
+
+#include "pipe/p_context.h"
+#include "pipe/internal/p_winsys_screen.h"
+#include "nouveau_context.h"
+
+struct nouveau_pipe_buffer {
+	struct pipe_buffer base;
+	struct nouveau_bo *bo;
+};
+
+static INLINE struct nouveau_pipe_buffer *
+nouveau_pipe_buffer(struct pipe_buffer *buf)
+{
+	return (struct nouveau_pipe_buffer *)buf;
+}
+
+struct nouveau_pipe_winsys {
+	struct pipe_winsys pws;
+
+	struct nouveau_context *nv;
+};
+
+extern struct pipe_winsys *
+nouveau_create_pipe_winsys(struct nouveau_context *nv);
+
+struct pipe_context *
+nouveau_create_softpipe(struct nouveau_context *nv);
+
+struct pipe_context *
+nouveau_pipe_create(struct nouveau_context *nv);
+
+/* Must be provided by clients of common code */
+extern void
+nouveau_flush_frontbuffer(struct pipe_winsys *pws, struct pipe_surface *surf,
+			  void *context_private);
+
+struct pipe_surface *
+nouveau_surface_buffer_ref(struct nouveau_context *nv, struct pipe_buffer *pb,
+			   enum pipe_format format, int w, int h,
+			   unsigned pitch, struct pipe_texture **ppt);
+
+#endif
diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_softpipe.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_softpipe.c
new file mode 100644
index 0000000000..396e4f2a2e
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys_softpipe.c
@@ -0,0 +1,101 @@
+/**************************************************************************
+ * 
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * 
+ **************************************************************************/
+/*
+ * Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com>
+ */
+
+#include "pipe/internal/p_winsys_screen.h"
+#include <pipe/p_screen.h>
+#include <pipe/p_defines.h>
+#include <pipe/p_format.h>
+#include <softpipe/sp_winsys.h>
+#include <util/u_memory.h>
+#include "nouveau_context.h"
+#include "nouveau_winsys_pipe.h"
+
+struct nouveau_softpipe_winsys {
+   struct softpipe_winsys sws;
+   struct nouveau_context *nv;
+};
+
+/**
+ * Return list of surface formats supported by this driver.
+ */
+static boolean
+nouveau_is_format_supported(struct softpipe_winsys *sws,
+                            enum pipe_format format)
+{
+	switch (format) {
+	case PIPE_FORMAT_A8R8G8B8_UNORM:
+	case PIPE_FORMAT_R5G6B5_UNORM:
+	case PIPE_FORMAT_Z24S8_UNORM:
+		return TRUE;
+	default:
+		break;
+	};
+
+	return FALSE;
+}
+
+struct pipe_context *
+nouveau_create_softpipe(struct nouveau_context *nv)
+{
+	struct nouveau_softpipe_winsys *nvsws;
+	struct pipe_screen *pscreen;
+	struct pipe_winsys *ws;
+	struct pipe_context *pipe;
+
+	ws = nouveau_create_pipe_winsys(nv);
+	if (!ws)
+		return NULL;
+	pscreen = softpipe_create_screen(ws);
+	if (!pscreen) {
+		ws->destroy(ws);
+		return NULL;
+	}
+	nvsws = CALLOC_STRUCT(nouveau_softpipe_winsys);
+	if (!nvsws) {
+		ws->destroy(ws);
+		pscreen->destroy(pscreen);
+		return NULL;
+	}
+
+	nvsws->sws.is_format_supported = nouveau_is_format_supported;
+	nvsws->nv = nv;
+
+	pipe = softpipe_create(pscreen, ws, &nvsws->sws);
+	if (!pipe) {
+		ws->destroy(ws);
+		pscreen->destroy(pscreen);
+		FREE(nvsws);
+		return NULL;
+	}
+
+	return pipe;
+}
+
diff --git a/src/gallium/winsys/drm/nouveau/dri/Makefile b/src/gallium/winsys/drm/nouveau/dri/Makefile
new file mode 100644
index 0000000000..3f3553b61d
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/dri/Makefile
@@ -0,0 +1,34 @@
+TOP = ../../../../../..
+include $(TOP)/configs/current
+
+LIBNAME = nouveau_dri.so
+
+MINIGLX_SOURCES =
+
+PIPE_DRIVERS = \
+	$(TOP)/src/gallium/drivers/softpipe/libsoftpipe.a \
+	$(TOP)/src/gallium/drivers/nv04/libnv04.a \
+	$(TOP)/src/gallium/drivers/nv10/libnv10.a \
+	$(TOP)/src/gallium/drivers/nv20/libnv20.a \
+	$(TOP)/src/gallium/drivers/nv30/libnv30.a \
+	$(TOP)/src/gallium/drivers/nv40/libnv40.a \
+	$(TOP)/src/gallium/drivers/nv50/libnv50.a
+
+DRIVER_SOURCES = \
+	nouveau_context_dri.c \
+	nouveau_screen_dri.c \
+	nouveau_swapbuffers.c \
+	../common/libnouveaudrm.a
+
+C_SOURCES = \
+	$(COMMON_GALLIUM_SOURCES) \
+	$(DRIVER_SOURCES)
+
+ASM_SOURCES = 
+
+DRIVER_DEFINES = $(shell pkg-config libdrm_nouveau --cflags)
+DRI_LIB_DEPS += $(shell pkg-config libdrm_nouveau --libs)
+
+include ../../Makefile.template
+
+symlinks:
diff --git a/src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.c b/src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.c
new file mode 100644
index 0000000000..aacfe984d1
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.c
@@ -0,0 +1,124 @@
+#include <main/glheader.h>
+#include <glapi/glthread.h>
+#include <GL/internal/glcore.h>
+#include <utils.h>
+
+#include <state_tracker/st_public.h>
+#include <state_tracker/st_context.h>
+#include <pipe/p_defines.h>
+#include <pipe/p_context.h>
+#include <pipe/p_screen.h>
+
+#include "../common/nouveau_winsys_pipe.h"
+#include "../common/nouveau_dri.h"
+#include "../common/nouveau_local.h"
+#include "nouveau_context_dri.h"
+#include "nouveau_screen_dri.h"
+
+#ifdef DEBUG
+static const struct dri_debug_control debug_control[] = {
+	{ "bo", DEBUG_BO },
+	{ NULL, 0 }
+};
+int __nouveau_debug = 0;
+#endif
+
+GLboolean
+nouveau_context_create(const __GLcontextModes *glVis,
+		       __DRIcontextPrivate *driContextPriv,
+		       void *sharedContextPrivate)
+{
+	__DRIscreenPrivate *driScrnPriv = driContextPriv->driScreenPriv;
+	struct nouveau_screen_dri  *nv_screen = driScrnPriv->private;
+	struct nouveau_context_dri *nv = CALLOC_STRUCT(nouveau_context_dri);
+	struct st_context *st_share = NULL;
+	struct nouveau_context_dri *nv_share = NULL;
+	struct pipe_context *pipe;
+
+	if (sharedContextPrivate) {
+		st_share = ((struct nouveau_context_dri *)sharedContextPrivate)->st;
+		nv_share = st_share->pipe->priv;
+	}
+
+	if (nouveau_context_init(&nv_screen->base, driContextPriv->hHWContext,
+	                         (drmLock *)&driScrnPriv->pSAREA->lock,
+	                         &nv_share->base, &nv->base)) {
+		return GL_FALSE;
+	}
+
+	pipe = nv->base.nvc->pctx[nv->base.pctx_id];
+	driContextPriv->driverPrivate = (void *)nv;
+	//nv->nv_screen  = nv_screen;
+	nv->dri_screen = driScrnPriv;
+
+	driParseConfigFiles(&nv->dri_option_cache, &nv_screen->option_cache,
+			    nv->dri_screen->myNum, "nouveau");
+#ifdef DEBUG
+	__nouveau_debug = driParseDebugString(getenv("NOUVEAU_DEBUG"),
+					      debug_control);
+#endif
+
+	nv->st = st_create_context(pipe, glVis, st_share);
+	return GL_TRUE;
+}
+
+void
+nouveau_context_destroy(__DRIcontextPrivate *driContextPriv)
+{
+	struct nouveau_context_dri *nv = driContextPriv->driverPrivate;
+
+	assert(nv);
+
+	st_finish(nv->st);
+	st_destroy_context(nv->st);
+
+	nouveau_context_cleanup(&nv->base);
+
+	FREE(nv);
+}
+
+GLboolean
+nouveau_context_bind(__DRIcontextPrivate *driContextPriv,
+		     __DRIdrawablePrivate *driDrawPriv,
+		     __DRIdrawablePrivate *driReadPriv)
+{
+	struct nouveau_context_dri *nv;
+	struct nouveau_framebuffer *draw, *read;
+
+	if (!driContextPriv) {
+		st_make_current(NULL, NULL, NULL);
+		return GL_TRUE;
+	}
+
+	nv = driContextPriv->driverPrivate;
+	draw = driDrawPriv->driverPrivate;
+	read = driReadPriv->driverPrivate;
+
+	st_make_current(nv->st, draw->stfb, read->stfb);
+
+	if ((nv->dri_drawable != driDrawPriv) ||
+	    (nv->last_stamp != driDrawPriv->lastStamp)) {
+		nv->dri_drawable = driDrawPriv;
+		st_resize_framebuffer(draw->stfb, driDrawPriv->w,
+				      driDrawPriv->h);
+		nv->last_stamp = driDrawPriv->lastStamp;
+	}
+
+	if (driDrawPriv != driReadPriv) {
+		st_resize_framebuffer(read->stfb, driReadPriv->w,
+				      driReadPriv->h);
+	}
+
+	return GL_TRUE;
+}
+
+GLboolean
+nouveau_context_unbind(__DRIcontextPrivate *driContextPriv)
+{
+	struct nouveau_context_dri *nv = driContextPriv->driverPrivate;
+	(void)nv;
+
+	st_flush(nv->st, 0, NULL);
+	return GL_TRUE;
+}
+
diff --git a/src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.h b/src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.h
new file mode 100644
index 0000000000..64cf326411
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/dri/nouveau_context_dri.h
@@ -0,0 +1,47 @@
+#ifndef __NOUVEAU_CONTEXT_DRI_H__
+#define __NOUVEAU_CONTEXT_DRI_H__
+
+#include <dri_util.h>
+#include <xmlconfig.h>
+#include <nouveau/nouveau_winsys.h>
+#include "../common/nouveau_context.h"
+
+struct nouveau_framebuffer {
+	struct st_framebuffer *stfb;
+};
+
+struct nouveau_context_dri {
+	struct nouveau_context base;
+	struct st_context *st;
+
+	/* DRI stuff */
+	__DRIscreenPrivate    *dri_screen;
+	__DRIdrawablePrivate  *dri_drawable;
+	unsigned int           last_stamp;
+	driOptionCache         dri_option_cache;
+	drm_context_t          drm_context;
+	drmLock                drm_lock;
+};
+
+extern GLboolean nouveau_context_create(const __GLcontextModes *,
+					__DRIcontextPrivate *, void *);
+extern void nouveau_context_destroy(__DRIcontextPrivate *);
+extern GLboolean nouveau_context_bind(__DRIcontextPrivate *,
+				      __DRIdrawablePrivate *draw,
+				      __DRIdrawablePrivate *read);
+extern GLboolean nouveau_context_unbind(__DRIcontextPrivate *);
+
+#ifdef DEBUG
+extern int __nouveau_debug;
+
+#define DEBUG_BO (1 << 0)
+
+#define DBG(flag, ...) do {                   \
+	if (__nouveau_debug & (DEBUG_##flag)) \
+		NOUVEAU_ERR(__VA_ARGS__);     \
+} while(0)
+#else
+#define DBG(flag, ...)
+#endif
+
+#endif
diff --git a/src/gallium/winsys/drm/nouveau/dri/nouveau_screen_dri.c b/src/gallium/winsys/drm/nouveau/dri/nouveau_screen_dri.c
new file mode 100644
index 0000000000..964a9028aa
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/dri/nouveau_screen_dri.c
@@ -0,0 +1,259 @@
+#include <utils.h>
+#include <vblank.h>
+#include <xmlpool.h>
+
+#include <pipe/p_context.h>
+#include <state_tracker/st_public.h>
+#include <state_tracker/st_cb_fbo.h>
+#include <nouveau_drm.h>
+#include "../common/nouveau_dri.h"
+#include "../common/nouveau_local.h"
+#include "nouveau_context_dri.h"
+#include "nouveau_screen_dri.h"
+#include "nouveau_swapbuffers.h"
+
+#if NOUVEAU_DRM_HEADER_PATCHLEVEL != 12
+#error nouveau_drm.h version does not match expected version
+#endif
+
+/* Extension stuff, enabling of extensions handled by Gallium's GL state
+ * tracker.  But, we still need to define the entry points we want.
+ */
+#define need_GL_ARB_fragment_program
+#define need_GL_ARB_multisample
+#define need_GL_ARB_occlusion_query
+#define need_GL_ARB_point_parameters
+#define need_GL_ARB_shader_objects
+#define need_GL_ARB_texture_compression
+#define need_GL_ARB_vertex_program
+#define need_GL_ARB_vertex_shader
+#define need_GL_ARB_vertex_buffer_object
+#define need_GL_EXT_compiled_vertex_array
+#define need_GL_EXT_fog_coord
+#define need_GL_EXT_secondary_color
+#define need_GL_EXT_framebuffer_object
+#define need_GL_VERSION_2_0
+#define need_GL_VERSION_2_1
+#include "extension_helper.h"
+
+const struct dri_extension card_extensions[] =
+{
+	{ "GL_ARB_multisample", GL_ARB_multisample_functions },
+	{ "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions },
+	{ "GL_ARB_point_parameters", GL_ARB_point_parameters_functions },
+	{ "GL_ARB_shader_objects", GL_ARB_shader_objects_functions },
+	{ "GL_ARB_shading_language_100", GL_VERSION_2_0_functions },
+	{ "GL_ARB_shading_language_120", GL_VERSION_2_1_functions },
+	{ "GL_ARB_texture_compression", GL_ARB_texture_compression_functions },
+	{ "GL_ARB_vertex_program", GL_ARB_vertex_program_functions },
+	{ "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions },
+	{ "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions },
+	{ "GL_EXT_compiled_vertex_array", GL_EXT_compiled_vertex_array_functions },
+	{ "GL_EXT_fog_coord", GL_EXT_fog_coord_functions },
+	{ "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
+	{ "GL_EXT_secondary_color", GL_EXT_secondary_color_functions },
+	{ NULL, 0 }
+};
+
+PUBLIC const char __driConfigOptions[] =
+DRI_CONF_BEGIN
+DRI_CONF_END;
+static const GLuint __driNConfigOptions = 0;
+
+extern const struct dri_extension common_extensions[];
+extern const struct dri_extension nv40_extensions[];
+
+static GLboolean
+nouveau_create_buffer(__DRIscreenPrivate * driScrnPriv,
+		      __DRIdrawablePrivate * driDrawPriv,
+		      const __GLcontextModes *glVis, GLboolean pixmapBuffer)
+{
+	struct nouveau_framebuffer *nvfb;
+	enum pipe_format colour, depth, stencil;
+
+	if (pixmapBuffer)
+		return GL_FALSE;
+
+	nvfb = CALLOC_STRUCT(nouveau_framebuffer);
+	if (!nvfb)
+		return GL_FALSE;
+
+	if (glVis->redBits == 5)
+		colour = PIPE_FORMAT_R5G6B5_UNORM;
+	else
+		colour = PIPE_FORMAT_A8R8G8B8_UNORM;
+
+	if (glVis->depthBits == 16)
+		depth = PIPE_FORMAT_Z16_UNORM;
+	else if (glVis->depthBits == 24)
+		depth = PIPE_FORMAT_Z24S8_UNORM;
+	else
+		depth = PIPE_FORMAT_NONE;
+
+	if (glVis->stencilBits == 8)
+		stencil = PIPE_FORMAT_Z24S8_UNORM;
+	else
+		stencil = PIPE_FORMAT_NONE;
+
+	nvfb->stfb = st_create_framebuffer(glVis, colour, depth, stencil,
+					   driDrawPriv->w, driDrawPriv->h,
+					   (void*)nvfb);
+	if (!nvfb->stfb) {
+		free(nvfb);
+		return  GL_FALSE;
+	}
+
+	driDrawPriv->driverPrivate = (void *)nvfb;
+	return GL_TRUE;
+}
+
+static void
+nouveau_destroy_buffer(__DRIdrawablePrivate * driDrawPriv)
+{
+	struct nouveau_framebuffer *nvfb;
+	
+	nvfb = (struct nouveau_framebuffer *)driDrawPriv->driverPrivate;
+	st_unreference_framebuffer(nvfb->stfb);
+	free(nvfb);
+}
+
+static __DRIconfig **
+nouveau_fill_in_modes(__DRIscreenPrivate *psp,
+		      unsigned pixel_bits, unsigned depth_bits,
+		      unsigned stencil_bits, GLboolean have_back_buffer)
+{
+	__DRIconfig **configs;
+	unsigned depth_buffer_factor;
+	unsigned back_buffer_factor;
+	GLenum fb_format;
+	GLenum fb_type;
+
+	static const GLenum back_buffer_modes[] = {
+		GLX_NONE, GLX_SWAP_UNDEFINED_OML,
+	};
+
+	uint8_t depth_bits_array[3];
+	uint8_t stencil_bits_array[3];
+	uint8_t msaa_samples_array[1];
+
+	depth_bits_array[0] = 0;
+	depth_bits_array[1] = depth_bits;
+	depth_bits_array[2] = depth_bits;
+
+	/* Just like with the accumulation buffer, always provide some modes
+	 * with a stencil buffer.  It will be a sw fallback, but some apps won't
+	 * care about that.
+	 */
+	stencil_bits_array[0] = 0;
+	stencil_bits_array[1] = 0;
+	if (depth_bits == 24)
+		stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
+	stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits;
+
+	msaa_samples_array[0] = 0;
+
+	depth_buffer_factor =
+		((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1;
+	back_buffer_factor = (have_back_buffer) ? 3 : 1;
+
+	if (pixel_bits == 16) {
+		fb_format = GL_RGB;
+		fb_type = GL_UNSIGNED_SHORT_5_6_5;
+	}
+	else {
+		fb_format = GL_BGRA;
+		fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+	}
+
+	configs = driCreateConfigs(fb_format, fb_type,
+				   depth_bits_array, stencil_bits_array,
+				   depth_buffer_factor, back_buffer_modes,
+				   back_buffer_factor, msaa_samples_array, 1);
+	if (configs == NULL) {
+	 fprintf(stderr, "[%s:%u] Error creating FBConfig!\n",
+			 __func__, __LINE__);
+		return NULL;
+	}
+
+	return configs;
+}
+
+static const __DRIconfig **
+nouveau_screen_create(__DRIscreenPrivate *psp)
+{
+	struct nouveau_dri *nv_dri = psp->pDevPriv;
+	struct nouveau_screen_dri *nv_screen;
+	static const __DRIversion ddx_expected =
+		{ 0, 0, NOUVEAU_DRM_HEADER_PATCHLEVEL };
+	static const __DRIversion dri_expected = { 4, 0, 0 };
+	static const __DRIversion drm_expected =
+		{ 0, 0, NOUVEAU_DRM_HEADER_PATCHLEVEL };
+
+	if (!driCheckDriDdxDrmVersions2("nouveau",
+					&psp->dri_version, &dri_expected,
+					&psp->ddx_version, &ddx_expected,
+					&psp->drm_version, &drm_expected)) {
+		return NULL;
+	}
+
+	if (drm_expected.patch != psp->drm_version.patch) {
+		fprintf(stderr, "Incompatible DRM patch level.\n"
+				"Expected: %d\n" "Current : %d\n",
+			drm_expected.patch, psp->drm_version.patch);
+		return NULL;
+	}
+
+	driInitExtensions(NULL, card_extensions, GL_FALSE);
+
+	if (psp->devPrivSize != sizeof(struct nouveau_dri)) {
+		NOUVEAU_ERR("DRI struct mismatch between DDX/DRI\n");
+		return NULL;
+	}
+
+	nv_screen = CALLOC_STRUCT(nouveau_screen_dri);
+	if (!nv_screen)
+		return NULL;
+
+	driParseOptionInfo(&nv_screen->option_cache,
+			   __driConfigOptions, __driNConfigOptions);
+
+	if (nouveau_screen_init(nv_dri, psp->fd, &nv_screen->base)) {
+		FREE(nv_screen);
+		return NULL;
+	}
+
+	nv_screen->driScrnPriv = psp;
+	psp->private = (void *)nv_screen;
+
+	return (const __DRIconfig **)
+		nouveau_fill_in_modes(psp, nv_dri->bpp,
+				      (nv_dri->bpp == 16) ? 16 : 24,
+				      (nv_dri->bpp == 16) ? 0 : 8, 1);
+}
+
+static void
+nouveau_screen_destroy(__DRIscreenPrivate *driScrnPriv)
+{
+	struct nouveau_screen_dri *nv_screen = driScrnPriv->private;
+
+	driScrnPriv->private = NULL;
+	nouveau_screen_cleanup(&nv_screen->base);
+	FREE(nv_screen);
+}
+
+const struct __DriverAPIRec
+driDriverAPI = {
+	.InitScreen	= nouveau_screen_create,
+	.DestroyScreen	= nouveau_screen_destroy,
+	.CreateContext	= nouveau_context_create,
+	.DestroyContext	= nouveau_context_destroy,
+	.CreateBuffer	= nouveau_create_buffer,
+	.DestroyBuffer	= nouveau_destroy_buffer,
+	.SwapBuffers	= nouveau_swap_buffers,
+	.MakeCurrent	= nouveau_context_bind,
+	.UnbindContext	= nouveau_context_unbind,
+	.CopySubBuffer	= nouveau_copy_sub_buffer,
+
+	.InitScreen2	= NULL, /* one day, I promise! */
+};
+
diff --git a/src/gallium/winsys/drm/nouveau/dri/nouveau_screen_dri.h b/src/gallium/winsys/drm/nouveau/dri/nouveau_screen_dri.h
new file mode 100644
index 0000000000..1498087819
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/dri/nouveau_screen_dri.h
@@ -0,0 +1,13 @@
+#ifndef __NOUVEAU_SCREEN_DRI_H__
+#define __NOUVEAU_SCREEN_DRI_H__
+
+#include "../common/nouveau_screen.h"
+#include "xmlconfig.h"
+
+struct nouveau_screen_dri {
+	struct nouveau_screen base;
+	__DRIscreenPrivate *driScrnPriv;
+	driOptionCache      option_cache;
+};
+
+#endif
diff --git a/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.c b/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.c
new file mode 100644
index 0000000000..58cb6f7265
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.c
@@ -0,0 +1,113 @@
+#include <main/glheader.h>
+#include <glapi/glthread.h>
+#include <GL/internal/glcore.h>
+
+#include <pipe/p_context.h>
+#include <state_tracker/st_public.h>
+#include <state_tracker/st_context.h>
+#include <state_tracker/st_cb_fbo.h>
+
+#include "../common/nouveau_local.h"
+#include "nouveau_context_dri.h"
+#include "nouveau_screen_dri.h"
+#include "nouveau_swapbuffers.h"
+
+void
+nouveau_copy_buffer(__DRIdrawablePrivate *dPriv, struct pipe_surface *surf,
+		    const drm_clip_rect_t *rect)
+{
+	struct nouveau_context_dri *nv = dPriv->driContextPriv->driverPrivate;
+	struct pipe_context *pipe = nv->base.nvc->pctx[nv->base.pctx_id];
+	drm_clip_rect_t *pbox;
+	int nbox, i;
+
+	LOCK_HARDWARE(&nv->base);
+	if (!dPriv->numClipRects) {
+		UNLOCK_HARDWARE(&nv->base);
+		return;
+	}
+	pbox = dPriv->pClipRects;
+	nbox = dPriv->numClipRects;
+
+	for (i = 0; i < nbox; i++, pbox++) {
+		int sx, sy, dx, dy, w, h;
+
+		sx = pbox->x1 - dPriv->x;
+		sy = pbox->y1 - dPriv->y;
+		dx = pbox->x1;
+		dy = pbox->y1;
+		w  = pbox->x2 - pbox->x1;
+		h  = pbox->y2 - pbox->y1;
+
+		pipe->surface_copy(pipe, FALSE, nv->base.frontbuffer,
+				   dx, dy, surf, sx, sy, w, h);
+	}
+
+	FIRE_RING(nv->base.nvc->channel);
+	UNLOCK_HARDWARE(&nv->base);
+
+	if (nv->last_stamp != dPriv->lastStamp) {
+		struct nouveau_framebuffer *nvfb = dPriv->driverPrivate;
+		st_resize_framebuffer(nvfb->stfb, dPriv->w, dPriv->h);
+		nv->last_stamp = dPriv->lastStamp;
+	}
+}
+
+void
+nouveau_copy_sub_buffer(__DRIdrawablePrivate *dPriv, int x, int y, int w, int h)
+{
+	struct nouveau_framebuffer *nvfb = dPriv->driverPrivate;
+	struct pipe_surface *surf;
+
+	st_get_framebuffer_surface(nvfb->stfb, ST_SURFACE_BACK_LEFT, &surf);
+	if (surf) {
+		drm_clip_rect_t rect;
+		rect.x1 = x;
+		rect.y1 = y;
+		rect.x2 = x + w;
+		rect.y2 = y + h;
+
+		st_notify_swapbuffers(nvfb->stfb);
+		nouveau_copy_buffer(dPriv, surf, &rect);
+	}
+}
+
+void
+nouveau_swap_buffers(__DRIdrawablePrivate *dPriv)
+{
+	struct nouveau_framebuffer *nvfb = dPriv->driverPrivate;
+	struct pipe_surface *surf;
+
+	st_get_framebuffer_surface(nvfb->stfb, ST_SURFACE_BACK_LEFT, &surf);
+	if (surf) {
+		st_notify_swapbuffers(nvfb->stfb);
+		nouveau_copy_buffer(dPriv, surf, NULL);
+	}
+}
+
+void
+nouveau_flush_frontbuffer(struct pipe_winsys *pws, struct pipe_surface *surf,
+			  void *context_private)
+{
+	struct nouveau_context_dri *nv = context_private;
+	__DRIdrawablePrivate *dPriv = nv->dri_drawable;
+
+	nouveau_copy_buffer(dPriv, surf, NULL);
+}
+
+void
+nouveau_contended_lock(struct nouveau_context *nv)
+{
+	struct nouveau_context_dri *nv_sub = (struct nouveau_context_dri*)nv;
+	__DRIdrawablePrivate *dPriv = nv_sub->dri_drawable;
+	__DRIscreenPrivate *sPriv = nv_sub->dri_screen;
+
+	/* If the window moved, may need to set a new cliprect now.
+	 *
+	 * NOTE: This releases and regains the hw lock, so all state
+	 * checking must be done *after* this call:
+	 */
+	if (dPriv)
+		DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
+}
+
diff --git a/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.h b/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.h
new file mode 100644
index 0000000000..825d3da6da
--- /dev/null
+++ b/src/gallium/winsys/drm/nouveau/dri/nouveau_swapbuffers.h
@@ -0,0 +1,10 @@
+#ifndef __NOUVEAU_SWAPBUFFERS_H__
+#define __NOUVEAU_SWAPBUFFERS_H__
+
+extern void nouveau_copy_buffer(__DRIdrawablePrivate *, struct pipe_surface *,
+				const drm_clip_rect_t *);
+extern void nouveau_copy_sub_buffer(__DRIdrawablePrivate *,
+				    int x, int y, int w, int h);
+extern void nouveau_swap_buffers(__DRIdrawablePrivate *);
+
+#endif